Apple inc. (20240356192). TRANSFORMER BASED SERIES DOHERTY POWER AMPLIFIER simplified abstract

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TRANSFORMER BASED SERIES DOHERTY POWER AMPLIFIER

Organization Name

apple inc.

Inventor(s)

Fei Wang of Santa Clara CA (US)

Xiang Guan of Santa Clara CA (US)

TRANSFORMER BASED SERIES DOHERTY POWER AMPLIFIER - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240356192 titled 'TRANSFORMER BASED SERIES DOHERTY POWER AMPLIFIER

The patent application is for a series Doherty power amplifier with two transformers. The amplifier includes a main amplifier and an auxiliary amplifier, each coupled to a transformer, which in turn is connected to a load.

  • The series Doherty power amplifier consists of a main amplifier and an auxiliary amplifier.
  • Each branch of the amplifier is connected to a transformer, which is then linked to the load.
  • The primary inductor of the first transformer is connected to the main amplifier, while the secondary inductor is linked to the load.
  • The second branch includes the auxiliary amplifier and a second transformer connected to the secondary inductor of the first transformer.
  • The load is connected in series to both branches and in shunt to the main and auxiliary amplifiers.

Potential Applications: - Wireless communication systems - Radar systems - Satellite communication systems

Problems Solved: - Efficiency improvement in power amplifiers - Reduction of signal distortion - Enhanced performance in high-power applications

Benefits: - Increased power efficiency - Improved signal quality - Enhanced performance in demanding applications

Commercial Applications: Title: "Efficient Power Amplification Technology for High-Performance Communication Systems" This technology can be utilized in telecommunications infrastructure, military communication systems, and satellite communication networks. It can also find applications in high-power radar systems and wireless base stations.

Questions about the technology: 1. How does this series Doherty power amplifier improve efficiency in high-power applications? 2. What are the key differences between a series Doherty power amplifier and traditional power amplifiers in terms of performance and efficiency?


Original Abstract Submitted

this disclosure is directed to a series doherty power amplifier including two-transformers. the series doherty combiner may include a first branch including a main amplifier and a first transformer coupled to a load. in particular, a primary inductor of the first transformer may be coupled to the main amplifier and a secondary inductor of the first transformer may couple to the load. the series doherty combiner may also include a second branch including an auxiliary amplifier and a second transformer coupled to the secondary inductor of the first transformer. the second transformer may couple to the load via the secondary inductor of the first transformer. as such, the load is coupled in series to the first branch and is coupled in series to the second branch. moreover, the load is coupled in shunt to the main amplifier and the auxiliary amplifier.